.picRotateCont {
    width: 715px;
    height: 297px;
    position: relative;
}

.picRotateCont .gallery {
    position: relative;
    height: 297px;
    overflow: hidden;
}

.picRotateCont .gallery li {
    width: 715px;
    height: 297px;
    position: absolute;
    left: 100%;
    top: 0;
    float: left;
}

.picRotateCont .gallery li img {
    width: 715px;
    height: 297px;
}

.picRotateCont .gallery li.cur {
    left: 0;
}

.picRotateCont .slider {
    position: relative;
    top: 8px;
    left: 300px;
}

.picRotateCont .slider li {
    float: left;
    margin-right: 5px;
    width: 21px;
    height: 22px;
    cursor: pointer;
    background: url("../img/spritesheet.png") no-repeat -36px -5px;
}

.picRotateCont .slider li.cur {
    display: block;
    width: 21px;
    height: 22px;
    background-position: -5px -5px;

}

.picRotateCont .preNext {
    position: absolute;
    width: 50px;
    height: 100px;
    top: 98px;
    left: 0;
    background: url("../img/spritesheet.png") no-repeat -373px -5px;
    cursor: pointer;
    display: none;
}

.picRotateCont .next {
    left: 670px;
    background-position: right top;
}